drivers/net/ixgbe/ixgbe_ethtool.c

   1 /*******************************************************************************
   2
   3   Intel 10 Gigabit PCI Express Linux driver
   4   Copyright(c) 1999 - 2009 Intel Corporation.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms and conditions of the GNU General Public License,
   8   version 2, as published by the Free Software Foundation.
   9
  10   This program is distributed in the hope it will be useful, but WITHOUT
  11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13   more details.
  14
  15   You should have received a copy of the GNU General Public License along with
  16   this program; if not, write to the Free Software Foundation, Inc.,
  17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19   The full GNU General Public License is included in this distribution in
  20   the file called "COPYING".
  21
  22   Contact Information:
  23   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  24   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  25
  26 *******************************************************************************/
  27
  28 /* ethtool support for ixgbe */
  29
  30 #include <linux/types.h>
  31 #include <linux/module.h>
  32 #include <linux/pci.h>
  33 #include <linux/netdevice.h>
  34 #include <linux/ethtool.h>
  35 #include <linux/vmalloc.h>
  36 #include <linux/uaccess.h>
  37
  38 #include "ixgbe.h"
  39
  40
  41 #define IXGBE_ALL_RAR_ENTRIES 16
  42
  43 struct ixgbe_stats {
  44         char stat_string[ETH_GSTRING_LEN];
  45         int sizeof_stat;
  46         int stat_offset;
  47 };
  48
  49 #define IXGBE_STAT(m) sizeof(((struct ixgbe_adapter *)0)->m), \
  50                              offsetof(struct ixgbe_adapter, m)
  51 static struct ixgbe_stats ixgbe_gstrings_stats[] = {
  52         {"rx_packets", IXGBE_STAT(net_stats.rx_packets)},
  53         {"tx_packets", IXGBE_STAT(net_stats.tx_packets)},
  54         {"rx_bytes", IXGBE_STAT(net_stats.rx_bytes)},
  55         {"tx_bytes", IXGBE_STAT(net_stats.tx_bytes)},
  56         {"rx_pkts_nic", IXGBE_STAT(stats.gprc)},
  57         {"tx_pkts_nic", IXGBE_STAT(stats.gptc)},
  58         {"rx_bytes_nic", IXGBE_STAT(stats.gorc)},
  59         {"tx_bytes_nic", IXGBE_STAT(stats.gotc)},
  60         {"lsc_int", IXGBE_STAT(lsc_int)},
  61         {"tx_busy", IXGBE_STAT(tx_busy)},
  62         {"non_eop_descs", IXGBE_STAT(non_eop_descs)},
  63         {"rx_errors", IXGBE_STAT(net_stats.rx_errors)},
  64         {"tx_errors", IXGBE_STAT(net_stats.tx_errors)},
  65         {"rx_dropped", IXGBE_STAT(net_stats.rx_dropped)},
  66         {"tx_dropped", IXGBE_STAT(net_stats.tx_dropped)},
  67         {"multicast", IXGBE_STAT(net_stats.multicast)},
  68         {"broadcast", IXGBE_STAT(stats.bprc)},
  69         {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
  70         {"collisions", IXGBE_STAT(net_stats.collisions)},
  71         {"rx_over_errors", IXGBE_STAT(net_stats.rx_over_errors)},
  72         {"rx_crc_errors", IXGBE_STAT(net_stats.rx_crc_errors)},
  73         {"rx_frame_errors", IXGBE_STAT(net_stats.rx_frame_errors)},
  74         {"hw_rsc_count", IXGBE_STAT(rsc_count)},
  75         {"fdir_match", IXGBE_STAT(stats.fdirmatch)},
  76         {"fdir_miss", IXGBE_STAT(stats.fdirmiss)},
  77         {"rx_fifo_errors", IXGBE_STAT(net_stats.rx_fifo_errors)},
  78         {"rx_missed_errors", IXGBE_STAT(net_stats.rx_missed_errors)},
  79         {"tx_aborted_errors", IXGBE_STAT(net_stats.tx_aborted_errors)},
  80         {"tx_carrier_errors", IXGBE_STAT(net_stats.tx_carrier_errors)},
  81         {"tx_fifo_errors", IXGBE_STAT(net_stats.tx_fifo_errors)},
  82         {"tx_heartbeat_errors", IXGBE_STAT(net_stats.tx_heartbeat_errors)},
  83         {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
  84         {"tx_restart_queue", IXGBE_STAT(restart_queue)},
  85         {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
  86         {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
  87         {"tx_tcp4_seg_ctxt", IXGBE_STAT(hw_tso_ctxt)},
  88         {"tx_tcp6_seg_ctxt", IXGBE_STAT(hw_tso6_ctxt)},
  89         {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
  90         {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
  91         {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
  92         {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
  93         {"rx_csum_offload_good", IXGBE_STAT(hw_csum_rx_good)},
  94         {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
  95         {"tx_csum_offload_ctxt", IXGBE_STAT(hw_csum_tx_good)},
  96         {"rx_header_split", IXGBE_STAT(rx_hdr_split)},
  97         {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
  98         {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
  99         {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
 100 #ifdef IXGBE_FCOE
 101         {"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
 102         {"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
 103         {"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)},
 104         {"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)},
 105         {"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)},
 106         {"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)},
 107 #endif /* IXGBE_FCOE */
 108 };
 109
 110 #define IXGBE_QUEUE_STATS_LEN \
 111         ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \
 112         ((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \
 113         (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
 114 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
 115 #define IXGBE_PB_STATS_LEN ( \
 116                  (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \
 117                  IXGBE_FLAG_DCB_ENABLED) ? \
 118                  (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
 119                   sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
 120                   sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
 121                   sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
 122                   / sizeof(u64) : 0)
 123 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
 124                          IXGBE_PB_STATS_LEN + \
 125                          IXGBE_QUEUE_STATS_LEN)
 126
 127 static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
 128         "Register test  (offline)", "Eeprom test    (offline)",
 129         "Interrupt test (offline)", "Loopback test  (offline)",
 130         "Link test   (on/offline)"
 131 };
 132 #define IXGBE_TEST_LEN sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN
 133
 134 static int ixgbe_get_settings(struct net_device *netdev,
 135                               struct ethtool_cmd *ecmd)
 136 {
 137         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 138         struct ixgbe_hw *hw = &adapter->hw;
 139         u32 link_speed = 0;
 140         bool link_up;
 141
 142         ecmd->supported = SUPPORTED_10000baseT_Full;
 143         ecmd->autoneg = AUTONEG_ENABLE;
 144         ecmd->transceiver = XCVR_EXTERNAL;
 145         if ((hw->phy.media_type == ixgbe_media_type_copper) ||
 146             (hw->phy.multispeed_fiber)) {
 147                 ecmd->supported |= (SUPPORTED_1000baseT_Full |
 148                                     SUPPORTED_Autoneg);
 149
 150                 ecmd->advertising = ADVERTISED_Autoneg;
 151                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
 152                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 153                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
 154                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 155                 /*
 156                  * It's possible that phy.autoneg_advertised may not be
 157                  * set yet.  If so display what the default would be -
 158                  * both 1G and 10G supported.
 159                  */
 160                 if (!(ecmd->advertising & (ADVERTISED_1000baseT_Full |
 161                                            ADVERTISED_10000baseT_Full)))
 162                         ecmd->advertising |= (ADVERTISED_10000baseT_Full |
 163                                               ADVERTISED_1000baseT_Full);
 164
 165                 if (hw->phy.media_type == ixgbe_media_type_copper) {
 166                         ecmd->supported |= SUPPORTED_TP;
 167                         ecmd->advertising |= ADVERTISED_TP;
 168                         ecmd->port = PORT_TP;
 169                 } else {
 170                         ecmd->supported |= SUPPORTED_FIBRE;
 171                         ecmd->advertising |= ADVERTISED_FIBRE;
 172                         ecmd->port = PORT_FIBRE;
 173                 }
 174         } else if (hw->phy.media_type == ixgbe_media_type_backplane) {
 175                 /* Set as FIBRE until SERDES defined in kernel */
 176                 if (hw->device_id == IXGBE_DEV_ID_82598_BX) {
 177                         ecmd->supported = (SUPPORTED_1000baseT_Full |
 178                                            SUPPORTED_FIBRE);
 179                         ecmd->advertising = (ADVERTISED_1000baseT_Full |
 180                                              ADVERTISED_FIBRE);
 181                         ecmd->port = PORT_FIBRE;
 182                         ecmd->autoneg = AUTONEG_DISABLE;
 183                 } else {
 184                         ecmd->supported |= (SUPPORTED_1000baseT_Full |
 185                                             SUPPORTED_FIBRE);
 186                         ecmd->advertising = (ADVERTISED_10000baseT_Full |
 187                                              ADVERTISED_1000baseT_Full |
 188                                              ADVERTISED_FIBRE);
 189                         ecmd->port = PORT_FIBRE;
 190                 }
 191         } else {
 192                 ecmd->supported |= SUPPORTED_FIBRE;
 193                 ecmd->advertising = (ADVERTISED_10000baseT_Full |
 194                                      ADVERTISED_FIBRE);
 195                 ecmd->port = PORT_FIBRE;
 196                 ecmd->autoneg = AUTONEG_DISABLE;
 197         }
 198
 199         hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
 200         if (link_up) {
 201                 ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
 202                                SPEED_10000 : SPEED_1000;
 203                 ecmd->duplex = DUPLEX_FULL;
 204         } else {
 205                 ecmd->speed = -1;
 206                 ecmd->duplex = -1;
 207         }
 208
 209         return 0;
 210 }
 211
 212 static int ixgbe_set_settings(struct net_device *netdev,
 213                               struct ethtool_cmd *ecmd)
 214 {
 215         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 216         struct ixgbe_hw *hw = &adapter->hw;
 217         u32 advertised, old;
 218         s32 err = 0;
 219
 220         if ((hw->phy.media_type == ixgbe_media_type_copper) ||
 221             (hw->phy.multispeed_fiber)) {
 222                 /* 10000/copper and 1000/copper must autoneg
 223                  * this function does not support any duplex forcing, but can
 224                  * limit the advertising of the adapter to only 10000 or 1000 */
 225                 if (ecmd->autoneg == AUTONEG_DISABLE)
 226                         return -EINVAL;
 227
 228                 old = hw->phy.autoneg_advertised;
 229                 advertised = 0;
 230                 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
 231                         advertised |= IXGBE_LINK_SPEED_10GB_FULL;
 232
 233                 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
 234                         advertised |= IXGBE_LINK_SPEED_1GB_FULL;
 235
 236                 if (old == advertised)
 237                         return err;
 238                 /* this sets the link speed and restarts auto-neg */
 239                 hw->mac.autotry_restart = true;
 240                 err = hw->mac.ops.setup_link(hw, advertised, true, true);
 241                 if (err) {
 242                         DPRINTK(PROBE, INFO,
 243                                 "setup link failed with code %d\n", err);
 244                         hw->mac.ops.setup_link(hw, old, true, true);
 245                 }
 246         } else {
 247                 /* in this case we currently only support 10Gb/FULL */
 248                 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
 249                     (ecmd->advertising != ADVERTISED_10000baseT_Full) ||
 250                     (ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
 251                         return -EINVAL;
 252         }
 253
 254         return err;
 255 }
 256
 257 static void ixgbe_get_pauseparam(struct net_device *netdev,
 258                                  struct ethtool_pauseparam *pause)
 259 {
 260         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 261         struct ixgbe_hw *hw = &adapter->hw;
 262
 263         /*
 264          * Flow Control Autoneg isn't on if
 265          *  - we didn't ask for it OR
 266          *  - it failed, we know this by tx & rx being off
 267          */
 268         if (hw->fc.disable_fc_autoneg ||
 269             (hw->fc.current_mode == ixgbe_fc_none))
 270                 pause->autoneg = 0;
 271         else
 272                 pause->autoneg = 1;
 273
 274 #ifdef CONFIG_DCB
 275         if (hw->fc.current_mode == ixgbe_fc_pfc) {
 276                 pause->rx_pause = 0;
 277                 pause->tx_pause = 0;
 278         }
 279
 280 #endif
 281         if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
 282                 pause->rx_pause = 1;
 283         } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
 284                 pause->tx_pause = 1;
 285         } else if (hw->fc.current_mode == ixgbe_fc_full) {
 286                 pause->rx_pause = 1;
 287                 pause->tx_pause = 1;
 288         }
 289 }
 290
 291 static int ixgbe_set_pauseparam(struct net_device *netdev,
 292                                 struct ethtool_pauseparam *pause)
 293 {
 294         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 295         struct ixgbe_hw *hw = &adapter->hw;
 296         struct ixgbe_fc_info fc;
 297
 298 #ifdef CONFIG_DCB
 299         if (adapter->dcb_cfg.pfc_mode_enable ||
 300                 ((hw->mac.type == ixgbe_mac_82598EB) &&
 301                 (adapter->flags & IXGBE_FLAG_DCB_ENABLED)))
 302                 return -EINVAL;
 303
 304 #endif
 305
 306         fc = hw->fc;
 307
 308         if (pause->autoneg != AUTONEG_ENABLE)
 309                 fc.disable_fc_autoneg = true;
 310         else
 311                 fc.disable_fc_autoneg = false;
 312
 313         if (pause->rx_pause && pause->tx_pause)
 314                 fc.requested_mode = ixgbe_fc_full;
 315         else if (pause->rx_pause && !pause->tx_pause)
 316                 fc.requested_mode = ixgbe_fc_rx_pause;
 317         else if (!pause->rx_pause && pause->tx_pause)
 318                 fc.requested_mode = ixgbe_fc_tx_pause;
 319         else if (!pause->rx_pause && !pause->tx_pause)
 320                 fc.requested_mode = ixgbe_fc_none;
 321         else
 322                 return -EINVAL;
 323
 324 #ifdef CONFIG_DCB
 325         adapter->last_lfc_mode = fc.requested_mode;
 326 #endif
 327
 328         /* if the thing changed then we'll update and use new autoneg */
 329         if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) {
 330                 hw->fc = fc;
 331                 if (netif_running(netdev))
 332                         ixgbe_reinit_locked(adapter);
 333                 else
 334                         ixgbe_reset(adapter);
 335         }
 336
 337         return 0;
 338 }
 339
 340 static u32 ixgbe_get_rx_csum(struct net_device *netdev)
 341 {
 342         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 343         return (adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED);
 344 }
 345
 346 static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
 347 {
 348         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 349         if (data)
 350                 adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
 351         else
 352                 adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
 353
 354         if (netif_running(netdev))
 355                 ixgbe_reinit_locked(adapter);
 356         else
 357                 ixgbe_reset(adapter);
 358
 359         return 0;
 360 }
 361
 362 static u32 ixgbe_get_tx_csum(struct net_device *netdev)
 363 {
 364         return (netdev->features & NETIF_F_IP_CSUM) != 0;
 365 }
 366
 367 static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
 368 {
 369         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 370
 371         if (data) {
 372                 netdev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
 373                 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
 374                         netdev->features |= NETIF_F_SCTP_CSUM;
 375         } else {
 376                 netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
 377                 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
 378                         netdev->features &= ~NETIF_F_SCTP_CSUM;
 379         }
 380
 381         return 0;
 382 }
 383
 384 static int ixgbe_set_tso(struct net_device *netdev, u32 data)
 385 {
 386         if (data) {
 387                 netdev->features |= NETIF_F_TSO;
 388                 netdev->features |= NETIF_F_TSO6;
 389         } else {
 390                 netif_tx_stop_all_queues(netdev);
 391                 netdev->features &= ~NETIF_F_TSO;
 392                 netdev->features &= ~NETIF_F_TSO6;
 393                 netif_tx_start_all_queues(netdev);
 394         }
 395         return 0;
 396 }
 397
 398 static u32 ixgbe_get_msglevel(struct net_device *netdev)
 399 {
 400         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 401         return adapter->msg_enable;
 402 }
 403
 404 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
 405 {
 406         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 407         adapter->msg_enable = data;
 408 }
 409
 410 static int ixgbe_get_regs_len(struct net_device *netdev)
 411 {
 412 #define IXGBE_REGS_LEN  1128
 413         return IXGBE_REGS_LEN * sizeof(u32);
 414 }
 415
 416 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
 417
 418 static void ixgbe_get_regs(struct net_device *netdev,
 419                            struct ethtool_regs *regs, void *p)
 420 {
 421         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 422         struct ixgbe_hw *hw = &adapter->hw;
 423         u32 *regs_buff = p;
 424         u8 i;
 425
 426         memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
 427
 428         regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
 429
 430         /* General Registers */
 431         regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
 432         regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
 433         regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
 434         regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
 435         regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
 436         regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
 437         regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
 438         regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
 439
 440         /* NVM Register */
 441         regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
 442         regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
 443         regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
 444         regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
 445         regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
 446         regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
 447         regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
 448         regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
 449         regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
 450         regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
 451
 452         /* Interrupt */
 453         /* don't read EICR because it can clear interrupt causes, instead
 454          * read EICS which is a shadow but doesn't clear EICR */
 455         regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
 456         regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
 457         regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
 458         regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
 459         regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
 460         regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
 461         regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
 462         regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
 463         regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
 464         regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
 465         regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
 466         regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
 467
 468         /* Flow Control */
 469         regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
 470         regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
 471         regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
 472         regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
 473         regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
 474         for (i = 0; i < 8; i++)
 475                 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
 476         for (i = 0; i < 8; i++)
 477                 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
 478         regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
 479         regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
 480
 481         /* Receive DMA */
 482         for (i = 0; i < 64; i++)
 483                 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
 484         for (i = 0; i < 64; i++)
 485                 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
 486         for (i = 0; i < 64; i++)
 487                 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
 488         for (i = 0; i < 64; i++)
 489                 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
 490         for (i = 0; i < 64; i++)
 491                 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
 492         for (i = 0; i < 64; i++)
 493                 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
 494         for (i = 0; i < 16; i++)
 495                 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
 496         for (i = 0; i < 16; i++)
 497                 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
 498         regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
 499         for (i = 0; i < 8; i++)
 500                 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
 501         regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
 502         regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
 503
 504         /* Receive */
 505         regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
 506         regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
 507         for (i = 0; i < 16; i++)
 508                 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
 509         for (i = 0; i < 16; i++)
 510                 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
 511         regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
 512         regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
 513         regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
 514         regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
 515         regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
 516         regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
 517         for (i = 0; i < 8; i++)
 518                 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
 519         for (i = 0; i < 8; i++)
 520                 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
 521         regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
 522
 523         /* Transmit */
 524         for (i = 0; i < 32; i++)
 525                 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
 526         for (i = 0; i < 32; i++)
 527                 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
 528         for (i = 0; i < 32; i++)
 529                 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
 530         for (i = 0; i < 32; i++)
 531                 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
 532         for (i = 0; i < 32; i++)
 533                 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
 534         for (i = 0; i < 32; i++)
 535                 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
 536         for (i = 0; i < 32; i++)
 537                 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
 538         for (i = 0; i < 32; i++)
 539                 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
 540         regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
 541         for (i = 0; i < 16; i++)
 542                 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
 543         regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
 544         for (i = 0; i < 8; i++)
 545                 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
 546         regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
 547
 548         /* Wake Up */
 549         regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
 550         regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
 551         regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
 552         regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
 553         regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
 554         regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
 555         regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
 556         regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
 557         regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
 558
 559         regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
 560         regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
 561         regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
 562         regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
 563         for (i = 0; i < 8; i++)
 564                 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
 565         for (i = 0; i < 8; i++)
 566                 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
 567         for (i = 0; i < 8; i++)
 568                 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
 569         for (i = 0; i < 8; i++)
 570                 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
 571         for (i = 0; i < 8; i++)
 572                 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
 573         for (i = 0; i < 8; i++)
 574                 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
 575
 576         /* Statistics */
 577         regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
 578         regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
 579         regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
 580         regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
 581         for (i = 0; i < 8; i++)
 582                 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
 583         regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
 584         regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
 585         regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
 586         regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
 587         regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
 588         regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
 589         regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
 590         for (i = 0; i < 8; i++)
 591                 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
 592         for (i = 0; i < 8; i++)
 593                 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
 594         for (i = 0; i < 8; i++)
 595                 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
 596         for (i = 0; i < 8; i++)
 597                 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
 598         regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
 599         regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
 600         regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
 601         regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
 602         regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
 603         regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
 604         regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
 605         regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
 606         regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
 607         regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
 608         regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
 609         regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
 610         for (i = 0; i < 8; i++)
 611                 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
 612         regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
 613         regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
 614         regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
 615         regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
 616         regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
 617         regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
 618         regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
 619         regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
 620         regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
 621         regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
 622         regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
 623         regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
 624         regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
 625         regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
 626         regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
 627         regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
 628         regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
 629         regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
 630         regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
 631         for (i = 0; i < 16; i++)
 632                 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
 633         for (i = 0; i < 16; i++)
 634                 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
 635         for (i = 0; i < 16; i++)
 636                 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
 637         for (i = 0; i < 16; i++)
 638                 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
 639
 640         /* MAC */
 641         regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
 642         regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
 643         regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
 644         regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
 645         regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
 646         regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
 647         regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
 648         regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
 649         regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
 650         regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
 651         regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
 652         regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
 653         regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
 654         regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
 655         regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
 656         regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
 657         regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
 658         regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
 659         regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
 660         regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
 661         regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
 662         regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
 663         regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
 664         regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
 665         regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
 666         regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
 667         regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
 668         regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
 669         regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
 670         regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
 671         regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
 672         regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
 673         regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
 674
 675         /* Diagnostic */
 676         regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
 677         for (i = 0; i < 8; i++)
 678                 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
 679         regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
 680         for (i = 0; i < 4; i++)
 681                 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
 682         regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
 683         regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
 684         for (i = 0; i < 8; i++)
 685                 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
 686         regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
 687         for (i = 0; i < 4; i++)
 688                 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
 689         regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
 690         regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
 691         regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
 692         regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
 693         regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
 694         regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
 695         regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
 696         regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
 697         regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
 698         regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
 699         regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
 700         for (i = 0; i < 8; i++)
 701                 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
 702         regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
 703         regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
 704         regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
 705         regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
 706         regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
 707         regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
 708         regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
 709         regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
 710         regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
 711 }
 712
 713 static int ixgbe_get_eeprom_len(struct net_device *netdev)
 714 {
 715         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 716         return adapter->hw.eeprom.word_size * 2;
 717 }
 718
 719 static int ixgbe_get_eeprom(struct net_device *netdev,
 720                             struct ethtool_eeprom *eeprom, u8 *bytes)
 721 {
 722         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 723         struct ixgbe_hw *hw = &adapter->hw;
 724         u16 *eeprom_buff;
 725         int first_word, last_word, eeprom_len;
 726         int ret_val = 0;
 727         u16 i;
 728
 729         if (eeprom->len == 0)
 730                 return -EINVAL;
 731
 732         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 733
 734         first_word = eeprom->offset >> 1;
 735         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 736         eeprom_len = last_word - first_word + 1;
 737
 738         eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
 739         if (!eeprom_buff)
 740                 return -ENOMEM;
 741
 742         for (i = 0; i < eeprom_len; i++) {
 743                 if ((ret_val = hw->eeprom.ops.read(hw, first_word + i,
 744                     &eeprom_buff[i])))
 745                         break;
 746         }
 747
 748         /* Device's eeprom is always little-endian, word addressable */
 749         for (i = 0; i < eeprom_len; i++)
 750                 le16_to_cpus(&eeprom_buff[i]);
 751
 752         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 753         kfree(eeprom_buff);
 754
 755         return ret_val;
 756 }
 757
 758 static void ixgbe_get_drvinfo(struct net_device *netdev,
 759                               struct ethtool_drvinfo *drvinfo)
 760 {
 761         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 762         char firmware_version[32];
 763
 764         strncpy(drvinfo->driver, ixgbe_driver_name, 32);
 765         strncpy(drvinfo->version, ixgbe_driver_version, 32);
 766
 767         sprintf(firmware_version, "%d.%d-%d",
 768                 (adapter->eeprom_version & 0xF000) >> 12,
 769                 (adapter->eeprom_version & 0x0FF0) >> 4,
 770                 adapter->eeprom_version & 0x000F);
 771
 772         strncpy(drvinfo->fw_version, firmware_version, 32);
 773         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 774         drvinfo->n_stats = IXGBE_STATS_LEN;
 775         drvinfo->testinfo_len = IXGBE_TEST_LEN;
 776         drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
 777 }
 778
 779 static void ixgbe_get_ringparam(struct net_device *netdev,
 780                                 struct ethtool_ringparam *ring)
 781 {
 782         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 783         struct ixgbe_ring *tx_ring = adapter->tx_ring;
 784         struct ixgbe_ring *rx_ring = adapter->rx_ring;
 785
 786         ring->rx_max_pending = IXGBE_MAX_RXD;
 787         ring->tx_max_pending = IXGBE_MAX_TXD;
 788         ring->rx_mini_max_pending = 0;
 789         ring->rx_jumbo_max_pending = 0;
 790         ring->rx_pending = rx_ring->count;
 791         ring->tx_pending = tx_ring->count;
 792         ring->rx_mini_pending = 0;
 793         ring->rx_jumbo_pending = 0;
 794 }
 795
 796 static int ixgbe_set_ringparam(struct net_device *netdev,
 797                                struct ethtool_ringparam *ring)
 798 {
 799         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 800         struct ixgbe_ring *temp_tx_ring, *temp_rx_ring;
 801         int i, err;
 802         u32 new_rx_count, new_tx_count;
 803         bool need_update = false;
 804
 805         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 806                 return -EINVAL;
 807
 808         new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD);
 809         new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD);
 810         new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
 811
 812         new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD);
 813         new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD);
 814         new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
 815
 816         if ((new_tx_count == adapter->tx_ring->count) &&
 817             (new_rx_count == adapter->rx_ring->count)) {
 818                 /* nothing to do */
 819                 return 0;
 820         }
 821
 822         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
 823                 msleep(1);
 824
 825         temp_tx_ring = kcalloc(adapter->num_tx_queues,
 826                                sizeof(struct ixgbe_ring), GFP_KERNEL);
 827         if (!temp_tx_ring) {
 828                 err = -ENOMEM;
 829                 goto err_setup;
 830         }
 831
 832         if (new_tx_count != adapter->tx_ring_count) {
 833                 memcpy(temp_tx_ring, adapter->tx_ring,
 834                        adapter->num_tx_queues * sizeof(struct ixgbe_ring));
 835                 for (i = 0; i < adapter->num_tx_queues; i++) {
 836                         temp_tx_ring[i].count = new_tx_count;
 837                         err = ixgbe_setup_tx_resources(adapter,
 838                                                        &temp_tx_ring[i]);
 839                         if (err) {
 840                                 while (i) {
 841                                         i--;
 842                                         ixgbe_free_tx_resources(adapter,
 843                                                                 &temp_tx_ring[i]);
 844                                 }
 845                                 goto err_setup;
 846                         }
 847                 }
 848                 need_update = true;
 849         }
 850
 851         temp_rx_ring = kcalloc(adapter->num_rx_queues,
 852                                sizeof(struct ixgbe_ring), GFP_KERNEL);
 853         if ((!temp_rx_ring) && (need_update)) {
 854                 for (i = 0; i < adapter->num_tx_queues; i++)
 855                         ixgbe_free_tx_resources(adapter, &temp_tx_ring[i]);
 856                 kfree(temp_tx_ring);
 857                 err = -ENOMEM;
 858                 goto err_setup;
 859         }
 860
 861         if (new_rx_count != adapter->rx_ring_count) {
 862                 memcpy(temp_rx_ring, adapter->rx_ring,
 863                        adapter->num_rx_queues * sizeof(struct ixgbe_ring));
 864                 for (i = 0; i < adapter->num_rx_queues; i++) {
 865                         temp_rx_ring[i].count = new_rx_count;
 866                         err = ixgbe_setup_rx_resources(adapter,
 867                                                        &temp_rx_ring[i]);
 868                         if (err) {
 869                                 while (i) {
 870                                         i--;
 871                                         ixgbe_free_rx_resources(adapter,
 872                                                               &temp_rx_ring[i]);
 873                                 }
 874                                 goto err_setup;
 875                         }
 876                 }
 877                 need_update = true;
 878         }
 879
 880         /* if rings need to be updated, here's the place to do it in one shot */
 881         if (need_update) {
 882                 if (netif_running(netdev))
 883                         ixgbe_down(adapter);
 884
 885                 /* tx */
 886                 if (new_tx_count != adapter->tx_ring_count) {
 887                         kfree(adapter->tx_ring);
 888                         adapter->tx_ring = temp_tx_ring;
 889                         temp_tx_ring = NULL;
 890                         adapter->tx_ring_count = new_tx_count;
 891                 }
 892
 893                 /* rx */
 894                 if (new_rx_count != adapter->rx_ring_count) {
 895                         kfree(adapter->rx_ring);
 896                         adapter->rx_ring = temp_rx_ring;
 897                         temp_rx_ring = NULL;
 898                         adapter->rx_ring_count = new_rx_count;
 899                 }
 900         }
 901
 902         /* success! */
 903         err = 0;
 904         if (netif_running(netdev))
 905                 ixgbe_up(adapter);
 906
 907 err_setup:
 908         clear_bit(__IXGBE_RESETTING, &adapter->state);
 909         return err;
 910 }
 911
 912 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
 913 {
 914         switch (sset) {
 915         case ETH_SS_TEST:
 916                 return IXGBE_TEST_LEN;
 917         case ETH_SS_STATS:
 918                 return IXGBE_STATS_LEN;
 919         default:
 920                 return -EOPNOTSUPP;
 921         }
 922 }
 923
 924 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
 925                                     struct ethtool_stats *stats, u64 *data)
 926 {
 927         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 928         u64 *queue_stat;
 929         int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
 930         int j, k;
 931         int i;
 932
 933         ixgbe_update_stats(adapter);
 934         for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
 935                 char *p = (char *)adapter + ixgbe_gstrings_stats[i].stat_offset;
 936                 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
 937                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
 938         }
 939         for (j = 0; j < adapter->num_tx_queues; j++) {
 940                 queue_stat = (u64 *)&adapter->tx_ring[j].stats;
 941                 for (k = 0; k < stat_count; k++)
 942                         data[i + k] = queue_stat[k];
 943                 i += k;
 944         }
 945         for (j = 0; j < adapter->num_rx_queues; j++) {
 946                 queue_stat = (u64 *)&adapter->rx_ring[j].stats;
 947                 for (k = 0; k < stat_count; k++)
 948                         data[i + k] = queue_stat[k];
 949                 i += k;
 950         }
 951         if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
 952                 for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
 953                         data[i++] = adapter->stats.pxontxc[j];
 954                         data[i++] = adapter->stats.pxofftxc[j];
 955                 }
 956                 for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
 957                         data[i++] = adapter->stats.pxonrxc[j];
 958                         data[i++] = adapter->stats.pxoffrxc[j];
 959                 }
 960         }
 961 }
 962
 963 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
 964                               u8 *data)
 965 {
 966         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 967         char *p = (char *)data;
 968         int i;
 969
 970         switch (stringset) {
 971         case ETH_SS_TEST:
 972                 memcpy(data, *ixgbe_gstrings_test,
 973                        IXGBE_TEST_LEN * ETH_GSTRING_LEN);
 974                 break;
 975         case ETH_SS_STATS:
 976                 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
 977                         memcpy(p, ixgbe_gstrings_stats[i].stat_string,
 978                                ETH_GSTRING_LEN);
 979                         p += ETH_GSTRING_LEN;
 980                 }
 981                 for (i = 0; i < adapter->num_tx_queues; i++) {
 982                         sprintf(p, "tx_queue_%u_packets", i);
 983                         p += ETH_GSTRING_LEN;
 984                         sprintf(p, "tx_queue_%u_bytes", i);
 985                         p += ETH_GSTRING_LEN;
 986                 }
 987                 for (i = 0; i < adapter->num_rx_queues; i++) {
 988                         sprintf(p, "rx_queue_%u_packets", i);
 989                         p += ETH_GSTRING_LEN;
 990                         sprintf(p, "rx_queue_%u_bytes", i);
 991                         p += ETH_GSTRING_LEN;
 992                 }
 993                 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
 994                         for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
 995                                 sprintf(p, "tx_pb_%u_pxon", i);
 996                                 p += ETH_GSTRING_LEN;
 997                                 sprintf(p, "tx_pb_%u_pxoff", i);
 998                                 p += ETH_GSTRING_LEN;
 999                         }
1000                         for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
1001                                 sprintf(p, "rx_pb_%u_pxon", i);
1002                                 p += ETH_GSTRING_LEN;
1003                                 sprintf(p, "rx_pb_%u_pxoff", i);
1004                                 p += ETH_GSTRING_LEN;
1005                         }
1006                 }
1007                 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
1008                 break;
1009         }
1010 }
1011
1012 static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data)
1013 {
1014         struct ixgbe_hw *hw = &adapter->hw;
1015         bool link_up;
1016         u32 link_speed = 0;
1017         *data = 0;
1018
1019         hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
1020         if (link_up)
1021                 return *data;
1022         else
1023                 *data = 1;
1024         return *data;
1025 }
1026
1027 /* ethtool register test data */
1028 struct ixgbe_reg_test {
1029         u16 reg;
1030         u8  array_len;
1031         u8  test_type;
1032         u32 mask;
1033         u32 write;
1034 };
1035
1036 /* In the hardware, registers are laid out either singly, in arrays
1037  * spaced 0x40 bytes apart, or in contiguous tables.  We assume
1038  * most tests take place on arrays or single registers (handled
1039  * as a single-element array) and special-case the tables.
1040  * Table tests are always pattern tests.
1041  *
1042  * We also make provision for some required setup steps by specifying
1043  * registers to be written without any read-back testing.
1044  */
1045
1046 #define PATTERN_TEST    1
1047 #define SET_READ_TEST   2
1048 #define WRITE_NO_TEST   3
1049 #define TABLE32_TEST    4
1050 #define TABLE64_TEST_LO 5
1051 #define TABLE64_TEST_HI 6
1052
1053 /* default 82599 register test */
1054 static struct ixgbe_reg_test reg_test_82599[] = {
1055         { IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1056         { IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1057         { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1058         { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1059         { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
1060         { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1061         { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1062         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1063         { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1064         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1065         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1066         { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1067         { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1068         { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1069         { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
1070         { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 },
1071         { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1072         { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF },
1073         { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1074         { 0, 0, 0, 0 }
1075 };
1076
1077 /* default 82598 register test */
1078 static struct ixgbe_reg_test reg_test_82598[] = {
1079         { IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1080         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1081         { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1082         { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1083         { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1084         { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1085         { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1086         /* Enable all four RX queues before testing. */
1087         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1088         /* RDH is read-only for 82598, only test RDT. */
1089         { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1090         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1091         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1092         { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1093         { IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF },
1094         { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1095         { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1096         { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1097         { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 },
1098         { IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 },
1099         { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1100         { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF },
1101         { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1102         { 0, 0, 0, 0 }
1103 };
1104
1105 #define REG_PATTERN_TEST(R, M, W)                                             \
1106 {                                                                             \
1107         u32 pat, val, before;                                                 \
1108         const u32 _test[] = {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; \
1109         for (pat = 0; pat < ARRAY_SIZE(_test); pat++) {                       \
1110                 before = readl(adapter->hw.hw_addr + R);                      \
1111                 writel((_test[pat] & W), (adapter->hw.hw_addr + R));          \
1112                 val = readl(adapter->hw.hw_addr + R);                         \
1113                 if (val != (_test[pat] & W & M)) {                            \
1114                         DPRINTK(DRV, ERR, "pattern test reg %04X failed: got "\
1115                                           "0x%08X expected 0x%08X\n",         \
1116                                 R, val, (_test[pat] & W & M));                \
1117                         *data = R;                                            \
1118                         writel(before, adapter->hw.hw_addr + R);              \
1119                         return 1;                                             \
1120                 }                                                             \
1121                 writel(before, adapter->hw.hw_addr + R);                      \
1122         }                                                                     \
1123 }
1124
1125 #define REG_SET_AND_CHECK(R, M, W)                                            \
1126 {                                                                             \
1127         u32 val, before;                                                      \
1128         before = readl(adapter->hw.hw_addr + R);                              \
1129         writel((W & M), (adapter->hw.hw_addr + R));                           \
1130         val = readl(adapter->hw.hw_addr + R);                                 \
1131         if ((W & M) != (val & M)) {                                           \
1132                 DPRINTK(DRV, ERR, "set/check reg %04X test failed: got 0x%08X "\
1133                                  "expected 0x%08X\n", R, (val & M), (W & M)); \
1134                 *data = R;                                                    \
1135                 writel(before, (adapter->hw.hw_addr + R));                    \
1136                 return 1;                                                     \
1137         }                                                                     \
1138         writel(before, (adapter->hw.hw_addr + R));                            \
1139 }
1140
1141 static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
1142 {
1143         struct ixgbe_reg_test *test;
1144         u32 value, before, after;
1145         u32 i, toggle;
1146
1147         if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
1148                 toggle = 0x7FFFF30F;
1149                 test = reg_test_82599;
1150         } else {
1151                 toggle = 0x7FFFF3FF;
1152                 test = reg_test_82598;
1153         }
1154
1155         /*
1156          * Because the status register is such a special case,
1157          * we handle it separately from the rest of the register
1158          * tests.  Some bits are read-only, some toggle, and some
1159          * are writeable on newer MACs.
1160          */
1161         before = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS);
1162         value = (IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle);
1163         IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, toggle);
1164         after = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle;
1165         if (value != after) {
1166                 DPRINTK(DRV, ERR, "failed STATUS register test got: "
1167                         "0x%08X expected: 0x%08X\n", after, value);
1168                 *data = 1;
1169                 return 1;
1170         }
1171         /* restore previous status */
1172         IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, before);
1173
1174         /*
1175          * Perform the remainder of the register test, looping through
1176          * the test table until we either fail or reach the null entry.
1177          */
1178         while (test->reg) {
1179                 for (i = 0; i < test->array_len; i++) {
1180                         switch (test->test_type) {
1181                         case PATTERN_TEST:
1182                                 REG_PATTERN_TEST(test->reg + (i * 0x40),
1183                                                 test->mask,
1184                                                 test->write);
1185                                 break;
1186                         case SET_READ_TEST:
1187                                 REG_SET_AND_CHECK(test->reg + (i * 0x40),
1188                                                 test->mask,
1189                                                 test->write);
1190                                 break;
1191                         case WRITE_NO_TEST:
1192                                 writel(test->write,
1193                                        (adapter->hw.hw_addr + test->reg)
1194                                        + (i * 0x40));
1195                                 break;
1196                         case TABLE32_TEST:
1197                                 REG_PATTERN_TEST(test->reg + (i * 4),
1198                                                 test->mask,
1199                                                 test->write);
1200                                 break;
1201                         case TABLE64_TEST_LO:
1202                                 REG_PATTERN_TEST(test->reg + (i * 8),
1203                                                 test->mask,
1204                                                 test->write);
1205                                 break;
1206                         case TABLE64_TEST_HI:
1207                                 REG_PATTERN_TEST((test->reg + 4) + (i * 8),
1208                                                 test->mask,
1209                                                 test->write);
1210                                 break;
1211                         }
1212                 }
1213                 test++;
1214         }
1215
1216         *data = 0;
1217         return 0;
1218 }
1219
1220 static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data)
1221 {
1222         struct ixgbe_hw *hw = &adapter->hw;
1223         if (hw->eeprom.ops.validate_checksum(hw, NULL))
1224                 *data = 1;
1225         else
1226                 *data = 0;
1227         return *data;
1228 }
1229
1230 static irqreturn_t ixgbe_test_intr(int irq, void *data)
1231 {
1232         struct net_device *netdev = (struct net_device *) data;
1233         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1234
1235         adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR);
1236
1237         return IRQ_HANDLED;
1238 }
1239
1240 static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data)
1241 {
1242         struct net_device *netdev = adapter->netdev;
1243         u32 mask, i = 0, shared_int = true;
1244         u32 irq = adapter->pdev->irq;
1245
1246         *data = 0;
1247
1248         /* Hook up test interrupt handler just for this test */
1249         if (adapter->msix_entries) {
1250                 /* NOTE: we don't test MSI-X interrupts here, yet */
1251                 return 0;
1252         } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
1253                 shared_int = false;
1254                 if (request_irq(irq, &ixgbe_test_intr, 0, netdev->name,
1255                                 netdev)) {
1256                         *data = 1;
1257                         return -1;
1258                 }
1259         } else if (!request_irq(irq, &ixgbe_test_intr, IRQF_PROBE_SHARED,
1260                                 netdev->name, netdev)) {
1261                 shared_int = false;
1262         } else if (request_irq(irq, &ixgbe_test_intr, IRQF_SHARED,
1263                                netdev->name, netdev)) {
1264                 *data = 1;
1265                 return -1;
1266         }
1267         DPRINTK(HW, INFO, "testing %s interrupt\n",
1268                 (shared_int ? "shared" : "unshared"));
1269
1270         /* Disable all the interrupts */
1271         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1272         msleep(10);
1273
1274         /* Test each interrupt */
1275         for (; i < 10; i++) {
1276                 /* Interrupt to test */
1277                 mask = 1 << i;
1278
1279                 if (!shared_int) {
1280                         /*
1281                          * Disable the interrupts to be reported in
1282                          * the cause register and then force the same
1283                          * interrupt and see if one gets posted.  If
1284                          * an interrupt was posted to the bus, the
1285                          * test failed.
1286                          */
1287                         adapter->test_icr = 0;
1288                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1289                                         ~mask & 0x00007FFF);
1290                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1291                                         ~mask & 0x00007FFF);
1292                         msleep(10);
1293
1294                         if (adapter->test_icr & mask) {
1295                                 *data = 3;
1296                                 break;
1297                         }
1298                 }
1299
1300                 /*
1301                  * Enable the interrupt to be reported in the cause
1302                  * register and then force the same interrupt and see
1303                  * if one gets posted.  If an interrupt was not posted
1304                  * to the bus, the test failed.
1305                  */
1306                 adapter->test_icr = 0;
1307                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
1308                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
1309                 msleep(10);
1310
1311                 if (!(adapter->test_icr &mask)) {
1312                         *data = 4;
1313                         break;
1314                 }
1315
1316                 if (!shared_int) {
1317                         /*
1318                          * Disable the other interrupts to be reported in
1319                          * the cause register and then force the other
1320                          * interrupts and see if any get posted.  If
1321                          * an interrupt was posted to the bus, the
1322                          * test failed.
1323                          */
1324                         adapter->test_icr = 0;
1325                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1326                                         ~mask & 0x00007FFF);
1327                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1328                                         ~mask & 0x00007FFF);
1329                         msleep(10);
1330
1331                         if (adapter->test_icr) {
1332                                 *data = 5;
1333                                 break;
1334                         }
1335                 }
1336         }
1337
1338         /* Disable all the interrupts */
1339         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1340         msleep(10);
1341
1342         /* Unhook test interrupt handler */
1343         free_irq(irq, netdev);
1344
1345         return *data;
1346 }
1347
1348 static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
1349 {
1350         struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1351         struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1352         struct ixgbe_hw *hw = &adapter->hw;
1353         struct pci_dev *pdev = adapter->pdev;
1354         u32 reg_ctl;
1355         int i;
1356
1357         /* shut down the DMA engines now so they can be reinitialized later */
1358
1359         /* first Rx */
1360         reg_ctl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
1361         reg_ctl &= ~IXGBE_RXCTRL_RXEN;
1362         IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, reg_ctl);
1363         reg_ctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(0));
1364         reg_ctl &= ~IXGBE_RXDCTL_ENABLE;
1365         IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(0), reg_ctl);
1366
1367         /* now Tx */
1368         reg_ctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(0));
1369         reg_ctl &= ~IXGBE_TXDCTL_ENABLE;
1370         IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(0), reg_ctl);
1371         if (hw->mac.type == ixgbe_mac_82599EB) {
1372                 reg_ctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL);
1373                 reg_ctl &= ~IXGBE_DMATXCTL_TE;
1374                 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg_ctl);
1375         }
1376
1377         ixgbe_reset(adapter);
1378
1379         if (tx_ring->desc && tx_ring->tx_buffer_info) {
1380                 for (i = 0; i < tx_ring->count; i++) {
1381                         struct ixgbe_tx_buffer *buf =
1382                                         &(tx_ring->tx_buffer_info[i]);
1383                         if (buf->dma)
1384                                 pci_unmap_single(pdev, buf->dma, buf->length,
1385                                                  PCI_DMA_TODEVICE);
1386                         if (buf->skb)
1387                                 dev_kfree_skb(buf->skb);
1388                 }
1389         }
1390
1391         if (rx_ring->desc && rx_ring->rx_buffer_info) {
1392                 for (i = 0; i < rx_ring->count; i++) {
1393                         struct ixgbe_rx_buffer *buf =
1394                                         &(rx_ring->rx_buffer_info[i]);
1395                         if (buf->dma)
1396                                 pci_unmap_single(pdev, buf->dma,
1397                                                  IXGBE_RXBUFFER_2048,
1398                                                  PCI_DMA_FROMDEVICE);
1399                         if (buf->skb)
1400                                 dev_kfree_skb(buf->skb);
1401                 }
1402         }
1403
1404         if (tx_ring->desc) {
1405                 pci_free_consistent(pdev, tx_ring->size, tx_ring->desc,
1406                                     tx_ring->dma);
1407                 tx_ring->desc = NULL;
1408         }
1409         if (rx_ring->desc) {
1410                 pci_free_consistent(pdev, rx_ring->size, rx_ring->desc,
1411                                     rx_ring->dma);
1412                 rx_ring->desc = NULL;
1413         }
1414
1415         kfree(tx_ring->tx_buffer_info);
1416         tx_ring->tx_buffer_info = NULL;
1417         kfree(rx_ring->rx_buffer_info);
1418         rx_ring->rx_buffer_info = NULL;
1419
1420         return;
1421 }
1422
1423 static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
1424 {
1425         struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1426         struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1427         struct pci_dev *pdev = adapter->pdev;
1428         u32 rctl, reg_data;
1429         int i, ret_val;
1430
1431         /* Setup Tx descriptor ring and Tx buffers */
1432
1433         if (!tx_ring->count)
1434                 tx_ring->count = IXGBE_DEFAULT_TXD;
1435
1436         tx_ring->tx_buffer_info = kcalloc(tx_ring->count,
1437                                           sizeof(struct ixgbe_tx_buffer),
1438                                           GFP_KERNEL);
1439         if (!(tx_ring->tx_buffer_info)) {
1440                 ret_val = 1;
1441                 goto err_nomem;
1442         }
1443
1444         tx_ring->size = tx_ring->count * sizeof(union ixgbe_adv_tx_desc);
1445         tx_ring->size = ALIGN(tx_ring->size, 4096);
1446         if (!(tx_ring->desc = pci_alloc_consistent(pdev, tx_ring->size,
1447                                                    &tx_ring->dma))) {
1448                 ret_val = 2;
1449                 goto err_nomem;
1450         }
1451         tx_ring->next_to_use = tx_ring->next_to_clean = 0;
1452
1453         IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDBAL(0),
1454                         ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
1455         IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDBAH(0),
1456                         ((u64) tx_ring->dma >> 32));
1457         IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDLEN(0),
1458                         tx_ring->count * sizeof(union ixgbe_adv_tx_desc));
1459         IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDH(0), 0);
1460         IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDT(0), 0);
1461
1462         reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1463         reg_data |= IXGBE_HLREG0_TXPADEN;
1464         IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1465
1466         if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
1467                 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL);
1468                 reg_data |= IXGBE_DMATXCTL_TE;
1469                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data);
1470         }
1471         reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_TXDCTL(0));
1472         reg_data |= IXGBE_TXDCTL_ENABLE;
1473         IXGBE_WRITE_REG(&adapter->hw, IXGBE_TXDCTL(0), reg_data);
1474
1475         for (i = 0; i < tx_ring->count; i++) {
1476                 union ixgbe_adv_tx_desc *desc = IXGBE_TX_DESC_ADV(*tx_ring, i);
1477                 struct sk_buff *skb;
1478                 unsigned int size = 1024;
1479
1480                 skb = alloc_skb(size, GFP_KERNEL);
1481                 if (!skb) {
1482                         ret_val = 3;
1483                         goto err_nomem;
1484                 }
1485                 skb_put(skb, size);
1486                 tx_ring->tx_buffer_info[i].skb = skb;
1487                 tx_ring->tx_buffer_info[i].length = skb->len;
1488                 tx_ring->tx_buffer_info[i].dma =
1489                         pci_map_single(pdev, skb->data, skb->len,
1490                                        PCI_DMA_TODEVICE);
1491                 desc->read.buffer_addr =
1492                                     cpu_to_le64(tx_ring->tx_buffer_info[i].dma);
1493                 desc->read.cmd_type_len = cpu_to_le32(skb->len);
1494                 desc->read.cmd_type_len |= cpu_to_le32(IXGBE_TXD_CMD_EOP |
1495                                                        IXGBE_TXD_CMD_IFCS |
1496                                                        IXGBE_TXD_CMD_RS);
1497                 desc->read.olinfo_status = 0;
1498                 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
1499                         desc->read.olinfo_status |=
1500                                         (skb->len << IXGBE_ADVTXD_PAYLEN_SHIFT);
1501
1502         }
1503
1504         /* Setup Rx Descriptor ring and Rx buffers */
1505
1506         if (!rx_ring->count)
1507                 rx_ring->count = IXGBE_DEFAULT_RXD;
1508
1509         rx_ring->rx_buffer_info = kcalloc(rx_ring->count,
1510                                           sizeof(struct ixgbe_rx_buffer),
1511                                           GFP_KERNEL);
1512         if (!(rx_ring->rx_buffer_info)) {
1513                 ret_val = 4;
1514                 goto err_nomem;
1515         }
1516
1517         rx_ring->size = rx_ring->count * sizeof(union ixgbe_adv_rx_desc);
1518         rx_ring->size = ALIGN(rx_ring->size, 4096);
1519         if (!(rx_ring->desc = pci_alloc_consistent(pdev, rx_ring->size,
1520                                                    &rx_ring->dma))) {
1521                 ret_val = 5;
1522                 goto err_nomem;
1523         }
1524         rx_ring->next_to_use = rx_ring->next_to_clean = 0;
1525
1526         rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXCTRL);
1527         IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl & ~IXGBE_RXCTRL_RXEN);
1528         IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDBAL(0),
1529                         ((u64)rx_ring->dma & 0xFFFFFFFF));
1530         IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDBAH(0),
1531                         ((u64) rx_ring->dma >> 32));
1532         IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDLEN(0), rx_ring->size);
1533         IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDH(0), 0);
1534         IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDT(0), 0);
1535
1536         reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL);
1537         reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
1538         IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, reg_data);
1539
1540         reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1541         reg_data &= ~IXGBE_HLREG0_LPBK;
1542         IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1543
1544         reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_RDRXCTL);
1545 #define IXGBE_RDRXCTL_RDMTS_MASK    0x00000003 /* Receive Descriptor Minimum
1546                                                   Threshold Size mask */
1547         reg_data &= ~IXGBE_RDRXCTL_RDMTS_MASK;
1548         IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDRXCTL, reg_data);
1549
1550         reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_MCSTCTRL);
1551 #define IXGBE_MCSTCTRL_MO_MASK      0x00000003 /* Multicast Offset mask */
1552         reg_data &= ~IXGBE_MCSTCTRL_MO_MASK;
1553         reg_data |= adapter->hw.mac.mc_filter_type;
1554         IXGBE_WRITE_REG(&adapter->hw, IXGBE_MCSTCTRL, reg_data);
1555
1556         reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_RXDCTL(0));
1557         reg_data |= IXGBE_RXDCTL_ENABLE;
1558         IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXDCTL(0), reg_data);
1559         if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
1560                 int j = adapter->rx_ring[0].reg_idx;
1561                 u32 k;
1562                 for (k = 0; k < 10; k++) {
1563                         if (IXGBE_READ_REG(&adapter->hw,
1564                                            IXGBE_RXDCTL(j)) & IXGBE_RXDCTL_ENABLE)
1565                                 break;
1566                         else
1567                                 msleep(1);
1568                 }
1569         }
1570
1571         rctl |= IXGBE_RXCTRL_RXEN | IXGBE_RXCTRL_DMBYPS;
1572         IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl);
1573
1574         for (i = 0; i < rx_ring->count; i++) {
1575                 union ixgbe_adv_rx_desc *rx_desc =
1576                                                  IXGBE_RX_DESC_ADV(*rx_ring, i);
1577                 struct sk_buff *skb;
1578
1579                 skb = alloc_skb(IXGBE_RXBUFFER_2048 + NET_IP_ALIGN, GFP_KERNEL);
1580                 if (!skb) {
1581                         ret_val = 6;
1582                         goto err_nomem;
1583                 }
1584                 skb_reserve(skb, NET_IP_ALIGN);
1585                 rx_ring->rx_buffer_info[i].skb = skb;
1586                 rx_ring->rx_buffer_info[i].dma =
1587                         pci_map_single(pdev, skb->data, IXGBE_RXBUFFER_2048,
1588                                        PCI_DMA_FROMDEVICE);
1589                 rx_desc->read.pkt_addr =
1590                                 cpu_to_le64(rx_ring->rx_buffer_info[i].dma);
1591                 memset(skb->data, 0x00, skb->len);
1592         }
1593
1594         return 0;
1595
1596 err_nomem:
1597         ixgbe_free_desc_rings(adapter);
1598         return ret_val;
1599 }
1600
1601 static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
1602 {
1603         struct ixgbe_hw *hw = &adapter->hw;
1604         u32 reg_data;
1605
1606         /* right now we only support MAC loopback in the driver */
1607
1608         /* Setup MAC loopback */
1609         reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1610         reg_data |= IXGBE_HLREG0_LPBK;
1611         IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1612
1613         reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_AUTOC);
1614         reg_data &= ~IXGBE_AUTOC_LMS_MASK;
1615         reg_data |= IXGBE_AUTOC_LMS_10G_LINK_NO_AN | IXGBE_AUTOC_FLU;
1616         IXGBE_WRITE_REG(&adapter->hw, IXGBE_AUTOC, reg_data);
1617
1618         /* Disable Atlas Tx lanes; re-enabled in reset path */
1619         if (hw->mac.type == ixgbe_mac_82598EB) {
1620                 u8 atlas;
1621
1622                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas);
1623                 atlas |= IXGBE_ATLAS_PDN_TX_REG_EN;
1624                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas);
1625
1626                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas);
1627                 atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
1628                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas);
1629
1630                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas);
1631                 atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
1632                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas);
1633
1634                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas);
1635                 atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
1636                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas);
1637         }
1638
1639         return 0;
1640 }
1641
1642 static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter)
1643 {
1644         u32 reg_data;
1645
1646         reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1647         reg_data &= ~IXGBE_HLREG0_LPBK;
1648         IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1649 }
1650
1651 static void ixgbe_create_lbtest_frame(struct sk_buff *skb,
1652                                       unsigned int frame_size)
1653 {
1654         memset(skb->data, 0xFF, frame_size);
1655         frame_size &= ~1;
1656         memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1657         memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1658         memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1659 }
1660
1661 static int ixgbe_check_lbtest_frame(struct sk_buff *skb,
1662                                     unsigned int frame_size)
1663 {
1664         frame_size &= ~1;
1665         if (*(skb->data + 3) == 0xFF) {
1666                 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1667                     (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1668                         return 0;
1669                 }
1670         }
1671         return 13;
1672 }
1673
1674 static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter)
1675 {
1676         struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1677         struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1678         struct pci_dev *pdev = adapter->pdev;
1679         int i, j, k, l, lc, good_cnt, ret_val = 0;
1680         unsigned long time;
1681
1682         IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDT(0), rx_ring->count - 1);
1683
1684         /*
1685          * Calculate the loop count based on the largest descriptor ring
1686          * The idea is to wrap the largest ring a number of times using 64
1687          * send/receive pairs during each loop
1688          */
1689
1690         if (rx_ring->count <= tx_ring->count)
1691                 lc = ((tx_ring->count / 64) * 2) + 1;
1692         else
1693                 lc = ((rx_ring->count / 64) * 2) + 1;
1694
1695         k = l = 0;
1696         for (j = 0; j <= lc; j++) {
1697                 for (i = 0; i < 64; i++) {
1698                         ixgbe_create_lbtest_frame(
1699                                         tx_ring->tx_buffer_info[k].skb,
1700                                         1024);
1701                         pci_dma_sync_single_for_device(pdev,
1702                                 tx_ring->tx_buffer_info[k].dma,
1703                                 tx_ring->tx_buffer_info[k].length,
1704                                 PCI_DMA_TODEVICE);
1705                         if (unlikely(++k == tx_ring->count))
1706                                 k = 0;
1707                 }
1708                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDT(0), k);
1709                 msleep(200);
1710                 /* set the start time for the receive */
1711                 time = jiffies;
1712                 good_cnt = 0;
1713                 do {
1714                         /* receive the sent packets */
1715                         pci_dma_sync_single_for_cpu(pdev,
1716                                         rx_ring->rx_buffer_info[l].dma,
1717                                         IXGBE_RXBUFFER_2048,
1718                                         PCI_DMA_FROMDEVICE);
1719                         ret_val = ixgbe_check_lbtest_frame(
1720                                         rx_ring->rx_buffer_info[l].skb, 1024);
1721                         if (!ret_val)
1722                                 good_cnt++;
1723                         if (++l == rx_ring->count)
1724                                 l = 0;
1725                         /*
1726                          * time + 20 msecs (200 msecs on 2.4) is more than
1727                          * enough time to complete the receives, if it's
1728                          * exceeded, break and error off
1729                          */
1730                 } while (good_cnt < 64 && jiffies < (time + 20));
1731                 if (good_cnt != 64) {
1732                         /* ret_val is the same as mis-compare */
1733                         ret_val = 13;
1734                         break;
1735                 }
1736                 if (jiffies >= (time + 20)) {
1737                         /* Error code for time out error */
1738                         ret_val = 14;
1739                         break;
1740                 }
1741         }
1742
1743         return ret_val;
1744 }
1745
1746 static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data)
1747 {
1748         *data = ixgbe_setup_desc_rings(adapter);
1749         if (*data)
1750                 goto out;
1751         *data = ixgbe_setup_loopback_test(adapter);
1752         if (*data)
1753                 goto err_loopback;
1754         *data = ixgbe_run_loopback_test(adapter);
1755         ixgbe_loopback_cleanup(adapter);
1756
1757 err_loopback:
1758         ixgbe_free_desc_rings(adapter);
1759 out:
1760         return *data;
1761 }
1762
1763 static void ixgbe_diag_test(struct net_device *netdev,
1764                             struct ethtool_test *eth_test, u64 *data)
1765 {
1766         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1767         bool if_running = netif_running(netdev);
1768
1769         set_bit(__IXGBE_TESTING, &adapter->state);
1770         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1771                 /* Offline tests */
1772
1773                 DPRINTK(HW, INFO, "offline testing starting\n");
1774
1775                 /* Link test performed before hardware reset so autoneg doesn't
1776                  * interfere with test result */
1777                 if (ixgbe_link_test(adapter, &data[4]))
1778                         eth_test->flags |= ETH_TEST_FL_FAILED;
1779
1780                 if (if_running)
1781                         /* indicate we're in test mode */
1782                         dev_close(netdev);
1783                 else
1784                         ixgbe_reset(adapter);
1785
1786                 DPRINTK(HW, INFO, "register testing starting\n");
1787                 if (ixgbe_reg_test(adapter, &data[0]))
1788                         eth_test->flags |= ETH_TEST_FL_FAILED;
1789
1790                 ixgbe_reset(adapter);
1791                 DPRINTK(HW, INFO, "eeprom testing starting\n");
1792                 if (ixgbe_eeprom_test(adapter, &data[1]))
1793                         eth_test->flags |= ETH_TEST_FL_FAILED;
1794
1795                 ixgbe_reset(adapter);
1796                 DPRINTK(HW, INFO, "interrupt testing starting\n");
1797                 if (ixgbe_intr_test(adapter, &data[2]))
1798                         eth_test->flags |= ETH_TEST_FL_FAILED;
1799
1800                 ixgbe_reset(adapter);
1801                 DPRINTK(HW, INFO, "loopback testing starting\n");
1802                 if (ixgbe_loopback_test(adapter, &data[3]))
1803                         eth_test->flags |= ETH_TEST_FL_FAILED;
1804
1805                 ixgbe_reset(adapter);
1806
1807                 clear_bit(__IXGBE_TESTING, &adapter->state);
1808                 if (if_running)
1809                         dev_open(netdev);
1810         } else {
1811                 DPRINTK(HW, INFO, "online testing starting\n");
1812                 /* Online tests */
1813                 if (ixgbe_link_test(adapter, &data[4]))
1814                         eth_test->flags |= ETH_TEST_FL_FAILED;
1815
1816                 /* Online tests aren't run; pass by default */
1817                 data[0] = 0;
1818                 data[1] = 0;
1819                 data[2] = 0;
1820                 data[3] = 0;
1821
1822                 clear_bit(__IXGBE_TESTING, &adapter->state);
1823         }
1824         msleep_interruptible(4 * 1000);
1825 }
1826
1827 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
1828                                struct ethtool_wolinfo *wol)
1829 {
1830         struct ixgbe_hw *hw = &adapter->hw;
1831         int retval = 1;
1832
1833         switch(hw->device_id) {
1834         case IXGBE_DEV_ID_82599_KX4:
1835                 retval = 0;
1836                 break;
1837         default:
1838                 wol->supported = 0;
1839         }
1840
1841         return retval;
1842 }
1843
1844 static void ixgbe_get_wol(struct net_device *netdev,
1845                           struct ethtool_wolinfo *wol)
1846 {
1847         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1848
1849         wol->supported = WAKE_UCAST | WAKE_MCAST |
1850                          WAKE_BCAST | WAKE_MAGIC;
1851         wol->wolopts = 0;
1852
1853         if (ixgbe_wol_exclusion(adapter, wol) ||
1854             !device_can_wakeup(&adapter->pdev->dev))
1855                 return;
1856
1857         if (adapter->wol & IXGBE_WUFC_EX)
1858                 wol->wolopts |= WAKE_UCAST;
1859         if (adapter->wol & IXGBE_WUFC_MC)
1860                 wol->wolopts |= WAKE_MCAST;
1861         if (adapter->wol & IXGBE_WUFC_BC)
1862                 wol->wolopts |= WAKE_BCAST;
1863         if (adapter->wol & IXGBE_WUFC_MAG)
1864                 wol->wolopts |= WAKE_MAGIC;
1865
1866         return;
1867 }
1868
1869 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1870 {
1871         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1872
1873         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1874                 return -EOPNOTSUPP;
1875
1876         if (ixgbe_wol_exclusion(adapter, wol))
1877                 return wol->wolopts ? -EOPNOTSUPP : 0;
1878
1879         adapter->wol = 0;
1880
1881         if (wol->wolopts & WAKE_UCAST)
1882                 adapter->wol |= IXGBE_WUFC_EX;
1883         if (wol->wolopts & WAKE_MCAST)
1884                 adapter->wol |= IXGBE_WUFC_MC;
1885         if (wol->wolopts & WAKE_BCAST)
1886                 adapter->wol |= IXGBE_WUFC_BC;
1887         if (wol->wolopts & WAKE_MAGIC)
1888                 adapter->wol |= IXGBE_WUFC_MAG;
1889
1890         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1891
1892         return 0;
1893 }
1894
1895 static int ixgbe_nway_reset(struct net_device *netdev)
1896 {
1897         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1898
1899         if (netif_running(netdev))
1900                 ixgbe_reinit_locked(adapter);
1901
1902         return 0;
1903 }
1904
1905 static int ixgbe_phys_id(struct net_device *netdev, u32 data)
1906 {
1907         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1908         struct ixgbe_hw *hw = &adapter->hw;
1909         u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
1910         u32 i;
1911
1912         if (!data || data > 300)
1913                 data = 300;
1914
1915         for (i = 0; i < (data * 1000); i += 400) {
1916                 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
1917                 msleep_interruptible(200);
1918                 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
1919                 msleep_interruptible(200);
1920         }
1921
1922         /* Restore LED settings */
1923         IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, led_reg);
1924
1925         return 0;
1926 }
1927
1928 static int ixgbe_get_coalesce(struct net_device *netdev,
1929                               struct ethtool_coalesce *ec)
1930 {
1931         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1932
1933         ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0].work_limit;
1934
1935         /* only valid if in constant ITR mode */
1936         switch (adapter->rx_itr_setting) {
1937         case 0:
1938                 /* throttling disabled */
1939                 ec->rx_coalesce_usecs = 0;
1940                 break;
1941         case 1:
1942                 /* dynamic ITR mode */
1943                 ec->rx_coalesce_usecs = 1;
1944                 break;
1945         default:
1946                 /* fixed interrupt rate mode */
1947                 ec->rx_coalesce_usecs = 1000000/adapter->rx_eitr_param;
1948                 break;
1949         }
1950
1951         /* only valid if in constant ITR mode */
1952         switch (adapter->tx_itr_setting) {
1953         case 0:
1954                 /* throttling disabled */
1955                 ec->tx_coalesce_usecs = 0;
1956                 break;
1957         case 1:
1958                 /* dynamic ITR mode */
1959                 ec->tx_coalesce_usecs = 1;
1960                 break;
1961         default:
1962                 ec->tx_coalesce_usecs = 1000000/adapter->tx_eitr_param;
1963                 break;
1964         }
1965
1966         return 0;
1967 }
1968
1969 static int ixgbe_set_coalesce(struct net_device *netdev,
1970                               struct ethtool_coalesce *ec)
1971 {
1972         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1973         struct ixgbe_q_vector *q_vector;
1974         int i;
1975
1976         /*
1977          * don't accept tx specific changes if we've got mixed RxTx vectors
1978          * test and jump out here if needed before changing the rx numbers
1979          */
1980         if ((1000000/ec->tx_coalesce_usecs) != adapter->tx_eitr_param &&
1981             adapter->q_vector[0]->txr_count && adapter->q_vector[0]->rxr_count)
1982                 return -EINVAL;
1983
1984         if (ec->tx_max_coalesced_frames_irq)
1985                 adapter->tx_ring[0].work_limit = ec->tx_max_coalesced_frames_irq;
1986
1987         if (ec->rx_coalesce_usecs > 1) {
1988                 /* check the limits */
1989                 if ((1000000/ec->rx_coalesce_usecs > IXGBE_MAX_INT_RATE) ||
1990                     (1000000/ec->rx_coalesce_usecs < IXGBE_MIN_INT_RATE))
1991                         return -EINVAL;
1992
1993                 /* store the value in ints/second */
1994                 adapter->rx_eitr_param = 1000000/ec->rx_coalesce_usecs;
1995
1996                 /* static value of interrupt rate */
1997                 adapter->rx_itr_setting = adapter->rx_eitr_param;
1998                 /* clear the lower bit as its used for dynamic state */
1999                 adapter->rx_itr_setting &= ~1;
2000         } else if (ec->rx_coalesce_usecs == 1) {
2001                 /* 1 means dynamic mode */
2002                 adapter->rx_eitr_param = 20000;
2003                 adapter->rx_itr_setting = 1;
2004         } else {
2005                 /*
2006                  * any other value means disable eitr, which is best
2007                  * served by setting the interrupt rate very high
2008                  */
2009                 if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)
2010                         adapter->rx_eitr_param = IXGBE_MAX_RSC_INT_RATE;
2011                 else
2012                         adapter->rx_eitr_param = IXGBE_MAX_INT_RATE;
2013                 adapter->rx_itr_setting = 0;
2014         }
2015
2016         if (ec->tx_coalesce_usecs > 1) {
2017                 /* check the limits */
2018                 if ((1000000/ec->tx_coalesce_usecs > IXGBE_MAX_INT_RATE) ||
2019                     (1000000/ec->tx_coalesce_usecs < IXGBE_MIN_INT_RATE))
2020                         return -EINVAL;
2021
2022                 /* store the value in ints/second */
2023                 adapter->tx_eitr_param = 1000000/ec->tx_coalesce_usecs;
2024
2025                 /* static value of interrupt rate */
2026                 adapter->tx_itr_setting = adapter->tx_eitr_param;
2027
2028                 /* clear the lower bit as its used for dynamic state */
2029                 adapter->tx_itr_setting &= ~1;
2030         } else if (ec->tx_coalesce_usecs == 1) {
2031                 /* 1 means dynamic mode */
2032                 adapter->tx_eitr_param = 10000;
2033                 adapter->tx_itr_setting = 1;
2034         } else {
2035                 adapter->tx_eitr_param = IXGBE_MAX_INT_RATE;
2036                 adapter->tx_itr_setting = 0;
2037         }
2038
2039         /* MSI/MSIx Interrupt Mode */
2040         if (adapter->flags &
2041             (IXGBE_FLAG_MSIX_ENABLED | IXGBE_FLAG_MSI_ENABLED)) {
2042                 int num_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
2043                 for (i = 0; i < num_vectors; i++) {
2044                         q_vector = adapter->q_vector[i];
2045                         if (q_vector->txr_count && !q_vector->rxr_count)
2046                                 /* tx only */
2047                                 q_vector->eitr = adapter->tx_eitr_param;
2048                         else
2049                                 /* rx only or mixed */
2050                                 q_vector->eitr = adapter->rx_eitr_param;
2051                         ixgbe_write_eitr(q_vector);
2052                 }
2053         /* Legacy Interrupt Mode */
2054         } else {
2055                 q_vector = adapter->q_vector[0];
2056                 q_vector->eitr = adapter->rx_eitr_param;
2057                 ixgbe_write_eitr(q_vector);
2058         }
2059
2060         return 0;
2061 }
2062
2063 static int ixgbe_set_flags(struct net_device *netdev, u32 data)
2064 {
2065         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2066
2067         ethtool_op_set_flags(netdev, data);
2068
2069         if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE))
2070                 return 0;
2071
2072         /* if state changes we need to update adapter->flags and reset */
2073         if ((!!(data & ETH_FLAG_LRO)) !=
2074             (!!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED))) {
2075                 adapter->flags2 ^= IXGBE_FLAG2_RSC_ENABLED;
2076                 if (netif_running(netdev))
2077                         ixgbe_reinit_locked(adapter);
2078                 else
2079                         ixgbe_reset(adapter);
2080         }
2081         return 0;
2082
2083 }
2084
2085 static const struct ethtool_ops ixgbe_ethtool_ops = {
2086         .get_settings           = ixgbe_get_settings,
2087         .set_settings           = ixgbe_set_settings,
2088         .get_drvinfo            = ixgbe_get_drvinfo,
2089         .get_regs_len           = ixgbe_get_regs_len,
2090         .get_regs               = ixgbe_get_regs,
2091         .get_wol                = ixgbe_get_wol,
2092         .set_wol                = ixgbe_set_wol,
2093         .nway_reset             = ixgbe_nway_reset,
2094         .get_link               = ethtool_op_get_link,
2095         .get_eeprom_len         = ixgbe_get_eeprom_len,
2096         .get_eeprom             = ixgbe_get_eeprom,
2097         .get_ringparam          = ixgbe_get_ringparam,
2098         .set_ringparam          = ixgbe_set_ringparam,
2099         .get_pauseparam         = ixgbe_get_pauseparam,
2100         .set_pauseparam         = ixgbe_set_pauseparam,
2101         .get_rx_csum            = ixgbe_get_rx_csum,
2102         .set_rx_csum            = ixgbe_set_rx_csum,
2103         .get_tx_csum            = ixgbe_get_tx_csum,
2104         .set_tx_csum            = ixgbe_set_tx_csum,
2105         .get_sg                 = ethtool_op_get_sg,
2106         .set_sg                 = ethtool_op_set_sg,
2107         .get_msglevel           = ixgbe_get_msglevel,
2108         .set_msglevel           = ixgbe_set_msglevel,
2109         .get_tso                = ethtool_op_get_tso,
2110         .set_tso                = ixgbe_set_tso,
2111         .self_test              = ixgbe_diag_test,
2112         .get_strings            = ixgbe_get_strings,
2113         .phys_id                = ixgbe_phys_id,
2114         .get_sset_count         = ixgbe_get_sset_count,
2115         .get_ethtool_stats      = ixgbe_get_ethtool_stats,
2116         .get_coalesce           = ixgbe_get_coalesce,
2117         .set_coalesce           = ixgbe_set_coalesce,
2118         .get_flags              = ethtool_op_get_flags,
2119         .set_flags              = ixgbe_set_flags,
2120 };
2121
2122 void ixgbe_set_ethtool_ops(struct net_device *netdev)
2123 {
2124         SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
2125 }